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Old 07-03-08, 10:36 AM   #1
jesmith
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Join Date: Mar 2007
Posts: 64
Default What is a reasonable temp for a GTX280?

We're qualifying a new GTX280 on an appliance and we're getting system shutdown after about 15 minutes of running. I'm guessing that it's a heat problem (either the BIOS is shutting down because the CPU cannot keep cool, or the graphics card is causing the shutdown because it is getting too hot).

I was lucky enough to query the temps a few seconds before it shut down, and I got:

nvidia-settings -q all|grep -i temp
Attribute 'GPUCoreTemp' (slax:0.0): 114.
'GPUCoreTemp' is an integer attribute.
'GPUCoreTemp' is a read-only attribute.
'GPUCoreTemp' can use the following target types: X Screen, GPU.
Attribute 'GPUAmbientTemp' (slax:0.0): 70.
'GPUAmbientTemp' is an integer attribute.
'GPUAmbientTemp' is a read-only attribute.
'GPUAmbientTemp' can use the following target types: X Screen, GPU.

Is that too high for this card?

Is shutting the computer off something that the graphics card can do in a situation like this? (Technically, the computer was not completely "OFF" because the USB ports were still getting power, but the screen went dark and it did not accept inbound network connections, so it was off-ish.)

-Joshua
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Old 07-03-08, 11:00 AM   #2
Revs
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Location: UK
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Default Re: What is a reasonable temp for a GTX280?

Sounds like you've got one of the faulty ones, those temps are waaaay too high. RMA it. The temps depend on many things (fan speed, case air flow, OC, etc) but should be well below 100*C. I take it you've seen the threads regarding the temp problems? If not..

http://www.nvnews.net/vbulletin/forumdisplay.php?f=60
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Old 07-03-08, 11:09 AM   #3
jesmith
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Default Re: What is a reasonable temp for a GTX280?

Thanks, I just found those threads. Interestingly, when I stick this same card into our bench machine (electronically identical to the appliance, but a desktop form-factor), I'm getting:

Attribute 'GPUCoreTemp' (slax:0.0): 79.
'GPUCoreTemp' is an integer attribute.
'GPUCoreTemp' is a read-only attribute.
'GPUCoreTemp' can use the following target types: X Screen, GPU.

Attribute 'GPUAmbientTemp' (slax:0.0): 57.
'GPUAmbientTemp' is an integer attribute.
'GPUAmbientTemp' is a read-only attribute.
'GPUAmbientTemp' can use the following target types: X Screen, GPU.

So I think in my case it is an airflow problem in the appliance, not a bad card.

I understand what the "Core" temperature is, but can someone explain the "Ambient" temp? Is that the temp of the air being sucked into the card, or is that the temperature somewhere else on the card?


-Joshua
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Old 07-03-08, 10:30 PM   #4
DeLorean
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Posts: 58
Default Re: What is a reasonable temp for a GTX280?

Mine idles at 50-51 (ambient 44-45), and that is an EVGA FTW edition (factory overclocked). Under load, I've never seen it above 70 C core readings.

57 C ambient is pretty toasty, as is 79 C core. If you are 100% sure the card isn't one of the problem ones, you need to cool those machines (or maybe the whole room).
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